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(11)

EP 2 438 223 A1

(12)

(43) Date of publication: 11.04.2012 Bulletin 2012/15 (21) Application number: 10732532.6 (22) Date of filing: 27.05.2010

(51) International Patent Classification (IPC):  D03D 15/00(2006.01) D03D 11/00(2006.01) D03D 15/08(2006.01) D21F 1/00(2006.01) D03D 7/00(2006.01) D03D 13/00(2006.01) B32B 5/26(2006.01) D21F 3/02(2006.01) (86) International application number: PCT/US2010/036398 (87) International publication number: WO 2010/141319 (09.12.2010 Gazette 2010/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 05.06.2009 US 479317 (71) Applicant: Albany International Corp. Albany, NY 12204 (US)	(72) Inventors: HANSEN, Robert, A. North Muskegon MI 49445 (US) RYDIN, Bjorn S-242 97 Horby (SE) LUCIANO, William Saratoga Springs NY 12866 (US) (74) Representative: Novaimo  B.P. 50038 74802 La Roche-sur-Foron Cedex 74802 La Roche-sur-Foron Cedex (FR)